| abstract |
The present invention relates to a kind of methods from old leaves of Kudingcha chlorogenic acid extracting, and the extraction of ethyl alcohol and ethyl acetate is carried out to old leaves of Kudingcha coarse powder, obtain the crystallization of green, extract is chlorogenic acid.Present invention chlorogenic acid extracting from old leaves of Kudingcha, and the technique that chlorogenic acid extracting is provided, its extraction process is simple, it is at low cost, the increment of human liver cancer cell HepG2 and mouse colonic cell CT26 can also effectively be inhibited, the comprehensive utilization ratio that Ilex Latifolia Thunb by-product can be improved, is with a wide range of applications. |